| 摘要 |
1,143,156. Treating hydrocarbon polymers. FARBWERKE HOECHST A.G. 19 June, 1967 [18 June, 1966], No. 28074/67. Heading C3P. Polymers of at least one unsaturated cycloaliphatic or aliphatic hydrocarbon are chlorinated and carboxychlorinated by reacting in an organic solvent in the presence of a free radical catalyst and/or under the action of radiation, simultaneously with at least one carboxychlorinating agent and chlorine. Specified polymers are polymers and copolymers of ethylene, propylene, butene-1, pentene and 4- methylpentene, optionally with aliphatic and cycloaliphatic dienes such as isoprene, butadiene, dicyclopentadiene and ethylidene-norbornene. Specified carboxychlorinating agents are phosgene, mixtures of carbon monoxide and chlorine, and dichlorides of dicarboxylic acids such as terephthalic, cyclohexanedicarboxylic, p-phenylenediacetic, malonic, adipic and oxalic acids. The products may be reacted with water, alcohols and amines to give the corresponding acids, esters and amides, and may be crosslinked by polyfunctional reactants. Specified catalysts are organic peroxides and azo compounds, and specified solvents are carbon tetrachloride, chlorobenzene and dichlorobenzenes. Examples describe the reaction of chlorine and (1) polyethylene and oxalyl chloride, (2) an atactic ethylene/propylene copolymer and carbon monoxide, (3) a polyethylene oil and oxalyl chloride, (4) polypropylene and oxalyl chloride, (5) an amorphous ethylene/propylene copolymer and sebacoyl, malonyl and terephthaloyl dichlorides, and (6) an ethylene/propylene copolymer and oxalyl chloride. The products are (1,3 and 4) hydrolysed with water, (2) esterified with ethanol and (6) reacted with dibutylamine and cross-linked with ethylenediamine. |
